package com.zh.springcloud;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;

/**
 * @Description:
 * @ClassName PaymentApplication
 * @date: 2021.06.08 14:35
 * @Author: zhanghang
 */
@SpringBootApplication
@EnableEurekaClient
@EnableFeignClients
@EnableCircuitBreaker // 开启hystrix
@MapperScan("com.zh.springcloud.mapper")
public class PaymentHystrixApplication8001 {
	public static void main(String[] args) {
		SpringApplication.run(PaymentHystrixApplication8001.class,args);
	}


	/**
	 * 此配置是为了服务监控而配置，与服务容错本身无关，springcloud升级后的坑
	 * ServletRegistrationBean因为SpringBoot的默认路径不是“、hystrix.stream”,
	 * 只有在自己的项目里配置上下文servlet就可以了
	 */
	@Bean
	public ServletRegistrationBean getServlet(){
		HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
		ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
		registrationBean.setLoadOnStartup(1);
		registrationBean.addUrlMappings("/hystrix.stream");
		registrationBean.setName("HystrixMetricsStreamServlet");
		return registrationBean;
	}
}
